Poznan.pl, oficjalna strona Miasta Poznania

From 1 October 2008, the miniature stronghold of the early Piast dynasty can be seen in the basement of the Franciscan Fathers' Monastery on the Przemysł Mountain. The model, occupying an area of 27 square meters, presents Poznań from the turn of the eleventh century, that is, from the time of Bolesław Chrobry and Mieszko II. The creator of the model of stronghold of the early Piast dynasty, made in 1:60 scale, is Krzysztof Przybyła, who built a miniature of the city from the seventeenth century a few years ago.